loop0: detected capacity change from 0 to 32768 BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.0 (5322) BTRFS info (device loop0): first mount of filesystem e417788f-7a09-42b2-9266-8ddc5d5d35d2 BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm BTRFS info (device loop0): disk space caching is enabled BTRFS warning (device loop0): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2 BTRFS info (device loop0): rebuilding free space tree BTRFS info (device loop0): disabling free space tree BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) BTRFS info (device loop0): balance: start -susage=5,drange=8796093022212..8,limit=34359738369,limit=1..8 ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 5322 at fs/btrfs/block-group.c:2747 btrfs_create_pending_block_groups+0x14e9/0x17b0 fs/btrfs/block-group.c:2747 Modules linked in: CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted 6.14.0-rc6-syzkaller-00253-gcb82ca153949 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:btrfs_create_pending_block_groups+0x14e9/0x17b0 fs/btrfs/block-group.c:2747 Code: 48 c7 c6 e0 bb 6e 8c 44 89 e2 e8 82 33 19 fd e9 1e fe ff ff e8 28 59 b3 fd 90 48 c7 c7 80 bb 6e 8c 44 89 e6 e8 08 15 73 fd 90 <0f> 0b 90 90 e9 ff fd ff ff 44 89 e1 80 e1 07 38 c1 0f 8c cb ed ff RSP: 0018:ffffc9000d24f6a0 EFLAGS: 00010246 RAX: 24e611c9749e9200 RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e54a000 RSI: 0000000000004f58 RDI: 0000000000004f59 RBP: ffffc9000d24f960 R08: ffffffff81819e52 R09: 1ffff11003f8519a R10: dffffc0000000000 R11: ffffed1003f8519b R12: 00000000ffffffe4 R13: dffffc0000000000 R14: 1ffff1100a361e14 R15: ffff888051b0f1c0 FS: 00007f7e4be8b6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007feadcaa4028 CR3: 0000000042748000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __btrfs_end_transaction+0x150/0x630 fs/btrfs/transaction.c:1064 btrfs_inc_block_group_ro+0x648/0x700 fs/btrfs/block-group.c:3038 btrfs_relocate_block_group+0x440/0xd90 fs/btrfs/relocation.c:3963 btrfs_relocate_chunk+0x12c/0x3b0 fs/btrfs/volumes.c:3511 __btrfs_balance+0x1b0f/0x26b0 fs/btrfs/volumes.c:4292 btrfs_balance+0xbdc/0x10c0 fs/btrfs/volumes.c:4669 btrfs_ioctl_balance+0x3f5/0x660 fs/btrfs/ioctl.c:3587 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7e4af8d169 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7e4be8b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7e4b1a5fa0 RCX: 00007f7e4af8d169 RDX: 0000400000000c40 RSI: 00000000c4009420 RDI: 0000000000000003 RBP: 00007f7e4b00e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f7e4b1a5fa0 R15: 00007fffa27b7708